Officials fielded years of complaints about dangerous conditions, drugs, neglected children, trash, and thefts at the warehouse, where 36 partygoers were killed in a weekend blaze.

4. OBAMA DEFENDS COUNTERTERRORISM PLAN

The outgoing president says the fight he's led against the Islamic State group has been relentless, sustainable and multilateral.

5. MISTRIAL IN SOUTH CAROLINA POLICE SHOOTING MYSTIFIES OBSERVERS

The case leaves many African-Americans feeling weary and wondering: If the unambiguous video showing a white police officer shooting an unarmed black man as the man ran away can't produce a conviction, what can?

6. WHAT POLL SUGGESTS ABOUT RACIAL VULNERABILITY AMONG U.S. YOUTH

More than half of young whites who scored highest on a scale measuring feelings that whites are losing out socially and economically in today's society say they planned to support Trump.

7. WHERE PIPELINE OPPONENTS RIDE OUT STORM

Some activists who have been protesting for months in a rural camp in southern North Dakota sit out a blizzard at shelters and a tribal casino.

8. INFO LAGS ON POT EFFECTS ON OLDER USERS

Abundant research is done on how the drug impacts developing brains, but little is known about the consequences for adults over 50.